Teichner, who is 2.03 m (6 ft 8 in) tall,[3] played at the center position.[1] During his club playing career, Teichner played 13 seasons in the Israeli Premier League, with the clubs Hapoel Beit Alfa, Hapoel Nir David, and Hapoel Gvat/Yagur.[4][5] He had a career scoring average of 15.8 points per game in the Israeli Premier League.
At the 1969 Maccabiah Games, he played with the legendary Israeli player Tal Brody, on the gold-medal winning Israeli basketball team.[7] He also won a silver medal with Israel at the 1970 Asian Games.